Finding the Fourth Proportional to 488,736.72, 674,422.61 and 270,943.25

Step by Step Solution

1. Step 1: Write the proportion equation
   488,736.72 : 674,422.61 = 270,943.25 : x
2. Step 2: Convert to fraction form
   488,736.72/674,422.61 = 270,943.25/x
3. Step 3: Cross multiply
   488,736.72x = 674,422.61 × 270,943.25
4. Step 4: Simplify right side
   488,736.72x = 182,730,249,100.05
5. Step 5: Solve for x
   x = 182,730,249,100.05/488,736.72
6. Step 6: Final answer
   x = 373,882.79